Tire tread and buttress



FIG. 1 is a front elevation view of a tire tread and buttress showing our new design, it being understood that the tread pattern is repeated throughout the circumference thereof, and the buttress on, the opposite side is substantially the same as that shown;

FIG. 2 is a perspective view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a front elevation view of a tire tread and buttress showing an alternate embodiment of our new design, it being understood that the tread pattern is repeated throughout the circumference thereof, and the buttress on, the opposite side is substantially the same as that shown;

FIG. 5 is a perspective view of FIG. 4; and

FIG. 6 is a side elevation view of FIG. 4.

The broken lines in the drawings are understood to be for illustrative purposes only. 

The ornamental design for a tire tread and buttress, as shown and described. 